448538907 has 32 divisors (see below), whose sum is σ = 638115840. Its totient is φ = 279797760.

The previous prime is 448538899. The next prime is 448538927. The reversal of 448538907 is 709835844.

It is not a de Polignac number, because 448538907 - 2³ = 448538899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (448538927) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 388443 + ... + 389595.

It is an arithmetic number, because the mean of its divisors is an integer number (19941120).

Almost surely, 2^448538907 is an apocalyptic number.

448538907 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

448538907 is a deficient number, since it is larger than the sum of its proper divisors (189576933).

448538907 is a wasteful number, since it uses less digits than its factorization.

448538907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1323.

The product of its (nonzero) digits is 967680, while the sum is 48.

The square root of 448538907 is about 21178.7371436542. The cubic root of 448538907 is about 765.4791632642.

The spelling of 448538907 in words is "four hundred forty-eight million, five hundred thirty-eight thousand, nine hundred seven".